Construction method for building ground inlet and outlet type shield tunnel
A construction method and access technology, applied in tunnels, tunnel linings, underground chambers, etc., can solve the problems of long engineering cycle, large amount of engineering, waste, etc., to save engineering construction cost, shorten construction period, and reduce impact. Effect
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[0031] To facilitate a further understanding of the structure of the present invention, the present invention uses Figure 1~Figure 6 A preferred embodiment is described.
[0032] First see figure 1 As shown, the axis of the ground-access-type shield tunnel 10 of the present invention is linear from above the ground into the underground. The shield tunnel 10 includes a connection section tunnel 11 that enters and exits the ground and an ultra-shallow soil section tunnel 12.
[0033] The shield can be launched and received directly from the ground, such as figure 2 , image 3 Shown. It is also possible to set up shallow ground pilot pits, and shields can initiate and receive in the shallow pilot pits, such as Figure 4 , Figure 5 , Image 6 Shown.
[0034] Cooperate figure 2 As shown, the shield starting base 111 and the back support system 112 are respectively set at the ground starting position of the shield along the line axis of the tunnel. The shield machine 13 directly enter...
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